Watch case



FIG. 1 is a front left bottom oblique view of a watch case showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is rear elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is left-side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The watch strap shown in broken lines forms no part of the claimed design. 

CLAIM The ornamental design for a watch case, as shown and described. 